[U-Boot] [u-boot 28/40] usb: dwc3: dwc3-omap: add interrupt status API to check for interrupts

[Lukasz Majewski <l.majewski@samsung.com>]

Hi Kishon,

> Added an API to check for interrupt status. This API is generally
> called from board file to check for interrupt status.
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
>  drivers/usb/dwc3/dwc3-omap.c |   20 ++++++++++++++++++++
>  include/dwc3-omap-uboot.h    |    1 +
>  2 files changed, 21 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/dwc3-omap.c
> b/drivers/usb/dwc3/dwc3-omap.c index c8275c7..46af109 100644
> --- a/drivers/usb/dwc3/dwc3-omap.c
> +++ b/drivers/usb/dwc3/dwc3-omap.c
> @@ -415,6 +415,26 @@ void dwc3_omap_uboot_exit(int index)
>  	}
>  }
>  
> +/**
> + * dwc3_omap_uboot_interrupt_status - check the status of interrupt
> + * @index: index of this controller
> + *
> + * Checks the status of interrupts and returns true if an interrupt
> + * is detected or false otherwise.
> + *
> + * Generally called from board file.
> + */
> +int dwc3_omap_uboot_interrupt_status(int index)
> +{
> +	struct dwc3_omap *omap = NULL;
> +
> +	list_for_each_entry(omap, &dwc3_omap_list, list)
> +		if (omap->index == index)
> +			return dwc3_omap_interrupt(-1, omap);
> +
> +	return 0;
> +}
> +
>  MODULE_ALIAS("platform:omap-dwc3");
>  MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
>  MODULE_LICENSE("GPL v2");
> diff --git a/include/dwc3-omap-uboot.h b/include/dwc3-omap-uboot.h
> index 29f02f8..db002b9 100644
> --- a/include/dwc3-omap-uboot.h
> +++ b/include/dwc3-omap-uboot.h
> @@ -28,4 +28,5 @@ struct dwc3_omap_device {
>  
>  int dwc3_omap_uboot_init(struct dwc3_omap_device *dev);
>  void dwc3_omap_uboot_exit(int index);
> +int dwc3_omap_uboot_interrupt_status(int index);
>  #endif /* __DWC3_OMAP_UBOOT_H_ */

Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>

-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group